Finding the Fourth Proportional to 9,651,765.20, 14,468,124.60 and 5,393,973.20
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Solution
The fourth proportional to 9,651,765.20, 14,468,124.60 and 5,393,973.20 is: 8,085,637.68
Step by Step Solution
- Step 1: Write the proportion equation
9,651,765.20 : 14,468,124.60 = 5,393,973.20 : x - Step 2: Convert to fraction form
9,651,765.20/14,468,124.60 = 5,393,973.20/x - Step 3: Cross multiply
9,651,765.20x = 14,468,124.60 × 5,393,973.20 - Step 4: Simplify right side
9,651,765.20x = 78,040,676,346,660.72 - Step 5: Solve for x
x = 78,040,676,346,660.72/9,651,765.20 - Step 6: Final answer
x = 8,085,637.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.